Verbena plant named ‘Balfireburgim’

ABSTRACT

A new and distinct cultivar of  Verbena  plant named ‘Balfireburgim’, characterized by its deep red-purple colored flowers having a small central white “eye”, medium green-colored foliage, and vigorous, mounded-spreading growth habit, is disclosed.

Latin name of genus and species of plant claimed: Verbena hybrid.

Variety denomination: ‘Balfireburgim’.

BACKGROUND OF THE INVENTION

The present invention relates to a new and distinct cultivar of Verbena plant botanically known as Verbena hybrid and hereinafter referred to by the cultivar name ‘Balfireburgim’.

The new cultivar originated in a controlled breeding program in Cartago, Costa Rica during May 2011. The objective of the breeding program was the development of Verbena cultivars that are suited for use in hanging baskets, durable to environmental stresses, and have a mounded-spreading growth habit.

The new Verbena cultivar is the result of cross-pollination. The female (seed) parent of the new cultivar is the proprietary Verbena hybrid breeding selection coded 3725-7-2-2 not patented, characterized by its light purple-colored flowers, medium green-colored foliage, and vigorous, semi-upright growth habit. The male (pollen) parent of the new cultivar is EMPRESS Strawberry ‘Duempstraw’, U.S. Plant Pat. No. 20,497, characterized by its medium red-colored flowers, medium green-colored foliage, and moderately vigorous, mounded-spreading growth habit. The new cultivar was discovered and selected as a single flowering plant within the progeny of the above stated cross-pollination during February 2012 in a controlled environment in Cartago, Costa Rica.

Asexual reproduction of the new cultivar by terminal stem cuttings since February 2012 in Cartago, Costa Rica, and West Chicago, Ill. has demonstrated that the new cultivar reproduces true to type with all of the characteristics, as herein described, firmly fixed and retained through successive generations of such asexual propagation.

SUMMARY OF THE INVENTION

The following characteristics of the new cultivar have been repeatedly observed and can be used to distinguish ‘Balfireburgim’ as a new and distinct cultivar of Verbena plant:

-   -   1. Deep red-purple colored flowers having a small central white         “eye”;     -   2. Medium green-colored foliage; and     -   3. Vigorous, mounded-spreading growth habit.

Plants of the new cultivar differ from plants of the female and male parents primarily in having a different flower color. In addition plants of the new cultivar differ from plants of the female parent in having a more mounded growth habit.

Of the many commercially available Verbena cultivars, the most similar in comparison to the new cultivar is Firehouse Burgundy ‘Balfireburg’, not patented. However, in side by side comparisons, plants of the new cultivar differ from plants of ‘Balfireburg’ in at least the following characteristics:

-   -   1. Plants of the new cultivar have a larger diameter         inflorescence than plants of ‘Balfireburg’;     -   2. Plants of the new cultivar have more branches than plants of         ‘Balfireburg’; and     -   3. Plants of the new cultivar have lighter green-colored foliage         than plants of ‘Balfireburg’.

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

The accompanying photographs show, as nearly true as it is reasonably possible to make the same in color illustrations of this type, typical flower and foliage characteristics of the new cultivar. Colors in the photographs differ slightly from the color values cited in the detailed description, which accurately describes the colors of ‘Balfireburgim’. The plants were grown in 4-inch pots for 12 weeks in a greenhouse in West Chicago, Ill. Plants were given one pinch one week after transplant.

FIG. 1 illustrates a side view of the overall growth and flowering habit of ‘Balfireburgim’.

FIG. 2 illustrates a close-up view of an individual inflorescence of ‘Balfireburgim’.

DETAILED BOTANICAL DESCRIPTION

The new cultivar has not been observed under all possible environmental conditions to date. Accordingly, it is possible that the phenotype may vary somewhat with variations in the environment, such as temperature, light intensity, and day length, without, however, any variance in genotype.

The chart used in the identification of colors described herein is The R.H.S. Colour Chart of The Royal Horticultural Society, London, England, 2015 edition, except where general color terms of ordinary significance are used. The color values were determined in January 2018 under natural light conditions in West Chicago, Ill.

The following descriptions and measurements describe plants produced from cuttings from stock plants and grown in a glass-covered greenhouse under conditions comparable to those used in commercial practice. The plants were grown in West Chicago, Ill. in 4-inch pots for 12 weeks utilizing a soilless growth medium. Plants were given one pinch one week after transplant. Greenhouse temperatures were maintained at approximately 68° F. to 72° F. (20° C. to 22° C.) during the day and approximately 64° F. to 66° F. (18° C. to 19° C.) during the night. Supplemental lighting was used. Measurements and numerical values represent averages of typical plants.

-   Botanical classification: Verbena hybrid ‘Balfireburgim’. -   Parentage:     -   -   Female parent.—Proprietary Verbena hybrid breeding selection             coded 3725-7-2-2, not patented.         -   Male parent.—EMPRESS Strawberry ‘Duempstraw’, U.S. Plant             Pat. No. 20,497. -   Propagation:     -   -   Type cutting.—Terminal stem.         -   Time to initiate roots.—Approximately 6 to 9 days.         -   Time to produce a rooted cutting.—Approximately 24 to 28             days.         -   Root description.—Fibrous.         -   Rooting habit.—Freely branching. -   Plant description:     -   -   Commercial crop time.—Approximately 5 to 7 weeks from a             rooted cutting to finish in a 10 cm pot.         -   Growth habit and general appearance.—Vigorous,             mounded-spreading.         -   Size.—Height from soil level to top of plant plane:             Approximately 20.0 cm. Width: Approximately 66.0 cm.         -   Branching habit.—Freely branching, pinching enhances basal             branching. Quantity of main branches per plant:             Approximately 5.         -   Branch.—Shape: Square in cross section. Strength: Strong.             Length: Approximately 14.0 cm. Diameter: Approximately             3.0 mm. Length of central internode: Approximately 3.7 cm.             Texture: Densely pubescent with a mixture of glandular and             nonglandular hairs. Gland color: Colorless, transparent.             Color of young stems: 144A. Color of mature stems: 146B. -   Foliage description:     -   -   General description.—Quantity of leaves per main branch:             Approximately 12. Fragrance: None detected. Form: Simple.             Arrangement: Opposite.         -   Leaves.—Aspect: Perpendicular to stem, obtuse angle with             age. Shape: Ovate to oblong. Margin: Crenate. Apex: Broadly             acute to rounded. Base: Truncate. Venation pattern: Pinnate.             Length of mature leaf: Approximately 4.7 cm. Width of mature             leaf: Approximately 3.5 cm. Texture of upper surface:             Moderately pubescent. Texture of lower surface: Densely             pubescent with a mixture of glandular and nonglandular             hairs. Gland color: Colorless, transparent. Color of upper             surface of young and mature foliage: Closest to 137A with             venation of 147C. Color of lower surface of young and mature             foliage: Closest to 137B with venation of 147C.         -   Petiole.—Length: Approximately 9.0 mm. Diameter:             Approximately 2.0 mm. Texture: Densely pubescent with a             mixture of glandular and nonglandular hairs. Gland color:             Colorless, transparent. Color: 147C to 147D. -   Flowering description:     -   -   Flowering habit.—‘Balfireburgim’ is freely flowering under             outdoor growing conditions with substantially continuous             blooming from spring through autumn and year-round in             greenhouse environment.         -   Lastingness of individual flower on the plant.—Approximately             5 to 7 days. -   Inflorescence description:     -   -   General description.—Type: Corymb. Shape: Hemispherical.             Quantity per plant: Approximately 4. Fragrance: None             detected. Length or height: 3.5 cm. Width: Approximately             6.0 cm. Quantity of fully open flowers per inflorescence:             Approximately 15.         -   Peduncle.—Strength: Strong. Aspect: Erect. Length:             Approximately 6.5 cm. Diameter: Approximately 2.0 mm.             Texture: Densely pubescent with a mixture of glandular and             nonglandular hairs. Gland color: Colorless, transparent.             Color: 137B. -   Flower description:     -   -   General description.—Type: Sessile, salverform.         -   Bud.—Rate of opening: Generally takes 2 to 3 days for bud to             progress from first color to fully open flower. Quantity of             unopened inflorescences per plant: Approximately 3.         -   Bud just before opening.—Shape: Elongated, globular at apex.             Length: Approximately 1.3 cm. Diameter: Approximately             3.0 mm. Color: Petal portion 79A and 79D, sepal portion             137B.         -   Corolla.—Shape: Round. Diameter: Approximately 2.0 cm.             Depth: Approximately 3.0 cm.         -   Petals.—Quantity: 5, fused at base forming a tube. Shape:             Obovate. Appearance: Dull. Margin: Entire. Apex: Emarginate.             Length of upper petals from tube: Approximately 9.0 mm.             Width of upper petals: Approximately 9.0 mm. Length of             lateral petals from tube: Approximately 9.0 mm. Width of             lateral petals: Approximately 9.0 mm. Length of lower petal             from tube: Approximately 9.0 mm. Width of lower petal:             Approximately 1.0 cm. Texture of upper surface: Glabrous             with glandular pubescent base. Texture of lower surface:             Sparsely pubescent with a mixture of glandular and             nonglandular hairs. Gland color: Colorless, transparent with             79D on upper surface. Color of upper surface when first             open: Closest to N186D with N186C near base and 145D to 145B             at throat opening. Color of lower surface when first open:             NN155D with an overlay of 79C concentrated on upper half             Color of upper surface when fully open: Closest to 71A with             70A and 145B at throat opening. Color of lower surface when             fully open: NN155D with an overlay of 79D concentrated on             upper half. Color of whiskers surrounding the opening of the             corolla tube: 145D.         -   Corolla tube.—Length: Approximately 2.1 cm. Diameter at             proximal end: Approximately 1.0 mm. Diameter at distal end:             Approximately 2.0 mm. Texture of outer surface: Upper half             moderately glandular pubescent, lower half glabrous. Gland             color: Colorless, transparent. Texture of inner surface:             Densely pubescent. Color of outer surface: 145D with 145C at             distal end. Color of inner surface: 145D with 145B at throat             opening.         -   Calyx.—Shape: Tubular with 5 acute tips. Length:             Approximately 1.2 cm. Width: Approximately 3.0 mm.         -   Sepals.—Quantity per flower: 5, fused at base. Shape:             Linear. Apex: Acute. Length: Approximately 1.2 cm. Width:             Approximately 1.0 mm. Texture of inner surface: Moderately             pubescent. Texture of outer surface: Densely pubescent with             a mixture of glandular and nonglandular hairs. Gland color:             Colorless, transparent. Color of inner and outer surfaces:             137B.         -   Stipules.—Shape: Oblanceolate. Apex: Three acute tips             arranged in a cross shape. Length: Approximately 8.0 mm.             Width at base: Approximately 2.0 mm. Texture of inner             surface: Glabrous. Texture of outer surface: Densely             pubescent with a mixture of glandular and nonglandular             hairs. Gland color: Colorless, transparent. Color of inner             and outer surfaces: 144A at base transitioning to 137A at             apex.         -   Reproductive organs.—Androecium: Stamen quantity: 4,             didynamous. Stamen length of longer pair: Approximately             2.0 mm. Stamen length of shorter pair: Approximately 1.0 mm.             Anther shape: Bilobed, ovoid. Anther length: Approximately             1.0 mm. Anther color: 144A. Pollen amount: None observed.             Gynoecium: Pistil quantity: 1 per flower. Pistil length:             Approximately 1.7 cm. Stigma shape: Bifid. Stigma length:             Less than 1.0 mm. Stigma color: 137A. Style length:             Approximately 1.6 cm. Style color: 145D with 145B near             stigma. Ovary diameter: Approximately 1.0 mm. Ovary texture:             Glabrous. Ovary color: 144A. -   Seed and fruit production: Neither seed nor fruit production has     been observed. -   Disease and pest resistance: Resistance to pathogens and pests     common to Verbena has not been observed. 

What is claimed is:
 1. A new and distinct cultivar of Verbena plant named ‘Balfireburgim’, substantially as herein illustrated and described. 